<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <!-- CSS only -->
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" />
  <style>
    .red {
      color: red !important;
    }

    .search {
      width: 300px;
      margin: 20px 0;
    }

    .my-form {
      display: flex;
      margin: 20px 0;
    }

    .my-form input {
      flex: 1;
      margin-right: 20px;
    }

    .table> :not(:first-child) {
      border-top: none;
    }

    .contain {
      display: flex;
      padding: 10px;
    }

    .list-box {
      flex: 1;
      padding: 0 30px;
    }

    .list-box a {
      text-decoration: none;
    }

    .echarts-box {
      width: 600px;
      height: 400px;
      padding: 30px;
      margin: 0 auto;
      border: 1px solid #ccc;
    }

    tfoot {
      font-weight: bold;
    }

    @media screen and (max-width: 1000px) {
      .contain {
        flex-wrap: wrap;
      }

      .list-box {
        width: 100%;
      }

      .echarts-box {
        margin-top: 30px;
      }
    }
  </style>
</head>

<body>
  <div id="app">
    <div class="contain">
      <!-- 左侧列表 -->
      <div class="list-box">

        <!-- 添加资产 -->
        <form class="my-form">
          <input type="text" class="form-control" placeholder="消费名称" v-model="ExpenseName" />
          <input type="text" class="form-control" placeholder="消费价格" v-model="ExpensePrice" />
          <button type="button" class="btn btn-primary" @click="add">添加账单</button>
        </form>

        <table class="table table-hover">
          <thead>
            <tr>
              <th>编号</th>
              <th>消费名称</th>
              <th>消费价格</th>
              <th>操作</th>
            </tr>
          </thead>
          <tbody>
            <tr v-for="(item,index) in list" :key="item.id">
              <td>{{index+1}}</td>
              <td>{{item.name}}</td>
              <td :class="{red:item.price > 300}">{{item.price}}</td>
              <td><a href="javascript:;" @click="del(item.id)">删除</a></td>
            </tr>
          </tbody>
          <tfoot>
            <tr>
              <td colspan="4">消费总计： {{totalPrice}}</td>
            </tr>
          </tfoot>
        </table>
      </div>

      <!-- 右侧图表 -->
      <div class="echarts-box" id="main"></div>
    </div>
  </div>
  <script src="../echarts.min.js"></script>
  <script src="../vue.js"></script>
  <script src="../axios.js"></script>
  <script>
    /**
     * 接口文档地址：
     * https://www.apifox.cn/apidoc/shared-24459455-ebb1-4fdc-8df8-0aff8dc317a8/api-53371058
     * 
     * 功能需求：
     * 1. 基本渲染
     * 2. 添加功能
     * 3. 删除功能
     * 4. 饼图渲染
     */

    const app = new Vue({
      el: '#app',
      data: {
        ExpenseName: '',
        ExpensePrice: null,
        creator: '张三',
        list: [],
        total: null
      },
      computed: {
        // 算出总价
        totalPrice() {
          return this.total = this.list.reduce((preSum, item) => {
            return preSum + item.price
          }, 0)
        },
      },
      methods: {

        //* 创建渲染函数
        async render() {
          const res = await axios({
            url: 'https://applet-base-api-t.itheima.net/bill',
            method: 'get',
            params: {
              creator: this.creator
            }
          })

          // 将获取的数据复制给 list
          this.list = res.data.data
          // 调用renderPay函数渲染饼图
          // renderPay(this.list)

          this.myChart.setOption({
            series: [
              {
                data: this.list.map(item => { return { value: item.price, name: item.name } })
              }
            ]
          })
        },

        //* 添加功能
        async add() {
          // console.log(this.ExpenseName, this.ExpensePrice);
          if (this.ExpenseName.trim() === '' && this.ExpensePrice.trim() === '') {
            return alert('请输入非空内容')
          }
          const res = await axios({
            url: 'https://applet-base-api-t.itheima.net/bill',
            method: 'post',
            data: {
              creator: this.creator,
              name: this.ExpenseName,
              price: this.ExpensePrice
            }
          })
          // 调用render函数重新渲染页面
          await this.render()
          this.ExpenseName = ''
          this.ExpensePrice = ''

        },

        //* 删除功能
        async del(id) {
          const res = await axios({
            url: `https://applet-base-api-t.itheima.net/bill/${+id}`,
            method: 'delete',
          })

          // 调用render函数重新渲染页面
          this.render()
        }
      },


      //* 创建完成之后
      created() {
        // 调用render函数渲染页面
        this.render()
      },
      // Dom框架完成之后
      mounted() {
        // 初始化echarts
        this.myChart = echarts.init(document.querySelector('#main'))
        // console.log(myChart);
        // option是参数 配置项
        const option = {
          title: {
            text: '消费账单列表',
            left: 'center'
          },
          tooltip: {
            trigger: 'item'
          },
          legend: {
            orient: 'vertical',
            left: 'left'
          },
          series: [
            {
              name: '消费账单',
              type: 'pie',
              radius: '50%',
              data: [

              ],
              emphasis: {
                itemStyle: {
                  shadowBlur: 10,
                  shadowOffsetX: 0,
                  shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
              }
            }
          ]
        };

        this.myChart.setOption(option)
      }

    })


    // // 实现饼图
    // function renderPay(res) {

    //   // 解构
    //   const newArr = res.map(item => {
    //     const { price: value, name } = item
    //     return { value, name }
    //   });
    //   console.log('新数组的值为', newArr);
    //   const myChart = echarts.init(document.querySelector('#main'))
    //   // console.log(myChart);
    //   const option = {
    //     title: {
    //       text: '消费账单列表',
    //       left: 'center'
    //     },
    //     tooltip: {
    //       trigger: 'item'
    //     },
    //     legend: {
    //       orient: 'vertical',
    //       left: 'left'
    //     },
    //     series: [
    //       {
    //         name: '消费账单',
    //         type: 'pie',
    //         radius: '50%',
    //         data: [
    //           ...newArr
    //         ],
    //         emphasis: {
    //           itemStyle: {
    //             shadowBlur: 10,
    //             shadowOffsetX: 0,
    //             shadowColor: 'rgba(0, 0, 0, 0.5)'
    //           }
    //         }
    //       }
    //     ]
    //   };
    //   myChart.setOption(option)
    // }

  </script>
</body>

</html>